I think rejecting the data is the best approach. I raises a big flag to the sysadmin or user.
Tom Lane wrote:
> "scott.marlowe" <scott.marlowe@ihs.com> writes:
>
>>The one thing that should absolutely be turned off is day/month swapping
>>on dates of the form: 2003-02-22.
>
>
> Agreed on that. YYYY-DD-MM isn't used in the real world AFAIK, and it's
> reasonable to treat it as an error.
>
>
>>I've seen little actual defense of the current behaviour,
>
>
> Other than me, I think you mean. dd/mm/yyyy and mm/dd/yyyy are
> inherently ambiguous in the real world, and when you can clearly
> determine what the intended meaning is, I think it's more reasonable
> to assume the datestyle isn't set correctly than to reject the data.
>
> regards, tom lane
>
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